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The first image is bright and photographic, levels 2 through 4 show increasingly simpler and more faded images, and the last—representing complete aphantasia—shows no image at all. Aphantasia (/ ˌ eɪ f æ n ˈ t eɪ ʒ ə / AY-fan-TAY-zhə, / ˌ æ f æ n ˈ t eɪ ʒ ə / AF-an-TAY-zhə) is the inability to visualize. [1]
Meet two women with unusual ways of experiencing the world: One cannot revisualize people or events, while the other may imagine too much.
Hyperphantasia is the condition of having extremely vivid mental imagery. [1] It is the opposite condition to aphantasia, where mental visual imagery is not present. [2] [3] The experience of hyperphantasia is more common than aphantasia [4] [5] and has been described as being "as vivid as real seeing". [4]
Epilepsy and Memory. OUP. ISBN 9780199580286. Zeman, Adam; Macpherson, Fiona; Onians, John (2018). Extreme Imagination: Inside the Mind's Eye. Eye's Mind, University of Exeter College of Medicine and Health. ISBN 9781527233102. Zeman, Adam (2025). The Shape of Things Unseen: A New Science of Imagination. Bloomsbury Publishing. ISBN 9781526609779.
Aphantasia, or mind blindness, refers to an inability to visualize imagery. For premium support please call: 800-290-4726 more ways to reach us
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Autobiographical memory (AM) [1] is a memory system consisting of episodes recollected from an individual's life, based on a combination of episodic (personal experiences and specific objects, people and events experienced at particular time and place) [2] and semantic (general knowledge and facts about the world) memory. [3]
The first two sort of floaters may collect over the fovea (the center of vision), and therefore be more visible, when a person is lying on his or her back looking upwards. Blue field entoptic phenomenon has the appearance of tiny bright dots moving rapidly along squiggly lines in the visual field.